Patents
Patents for H01L 43 - Devices using galvano-magnetic or similar magnetic effects; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof (12,001)
12/1981
12/02/1981EP0040640A1 Magnetically sensitive semiconductor device
11/1981
11/11/1981EP0039392A1 Stabilized magnetically sensitive avalanche transistor
10/1981
10/29/1981WO1981003083A1 Magnetotransistor detector
10/20/1981US4296424 Compound semiconductor device having a semiconductor-converted conductive region
10/20/1981US4296377 Magnetic signal field sensor that is substantially immune to angular displacement relative to the signal field
10/07/1981EP0036935A1 Hall effect apparatus and flux concentrator assembly therefor
10/06/1981US4293837 Hall effect potentiometer
09/1981
09/29/1981US4292582 Residual voltage regulating circuit for hall element
09/09/1981EP0035103A1 Monolithic integrated device with two Hall elements
09/08/1981US4288708 Differentially modulated avalanche area magnetically sensitive transistor
09/08/1981CA1108757A1 Method of manufacturing a magnetic device
08/1981
08/11/1981US4283643 Hall sensing apparatus
07/1981
07/29/1981EP0032727A2 Process for the manufacture of a magnetic pass-through detector
07/29/1981EP0032726A2 Magnetic pass-through detector
07/28/1981CA1105743A1 Alloy for magnetoresistive element and method of manufacturing the same
06/1981
06/30/1981US4276555 Controlled avalanche voltage transistor and magnetic sensor
06/11/1981WO1981001630A1 Magnetically sensitive semiconductor device
05/1981
05/26/1981US4269070 Strain/deflection sensitive variable reluctance transducer assembly
05/19/1981US4268814 Solid state keyboard
04/1981
04/28/1981CA1100234A1 Channel depletion boundry modulation magnetic field sensor
04/21/1981US4263523 Pulse generator using read head with Wiegand wire
04/14/1981US4262275 Hall effect apparatus for flux concentrator assembly therefor
04/08/1981EP0026446A2 Strain/deflection sensitive variable reluctance transducer assembly
03/1981
03/25/1981EP0025596A1 Pulse generator using read head with Wiegand wire
02/1981
02/17/1981US4251795 Semiconductor magnetoresistive element having a differential effect
02/10/1981US4250518 Magnetic field sensor semiconductor devices
02/03/1981CA1095180A1 High carrier velocity fet magnetic sensor
01/1981
01/27/1981US4247601 Alloys, reverse
01/14/1981EP0022203A1 Magnetically controlled resistor
01/06/1981CA1093218A1 Epitaxial growth of dissimilar materials
12/1980
12/09/1980US4238277 For propagating and detecting magnetic domains
10/1980
10/21/1980US4229231 Method of forming a laminated ribbon structure
09/1980
09/23/1980US4224594 Deep diode magnetoresistor
09/17/1980EP0015322A1 Radiation energy collector for conversion to electricity
09/16/1980US4223292 Hall element
08/1980
08/19/1980US4218626 Electromagnetic relay
07/1980
07/15/1980US4212688 Nickel and cobalt
07/15/1980CA1081820A1 Linear magnetic core potentiometer
05/1980
05/20/1980US4204158 Hall effect position detector using a single permanent magnet
05/20/1980US4204132 Highly sensitive Hall element
04/1980
04/30/1980EP0010125A1 Integrated Hall element
02/1980
02/12/1980US4188605 Encapsulated Hall effect device
02/06/1980EP0007587A1 Encapsulated Hall effect device
01/1980
01/23/1980EP0006983A1 Controlled-avalanche tension transistor that can be sensitive to a magnetic field
01/08/1980US4182965 Semiconductor device having two intersecting sub-diodes and transistor-like properties
12/1979
12/04/1979US4177372 Method and apparatus for laser zone melting
12/04/1979US4177298 Reducing current noise, good signal-to-noise ratio
11/1979
11/14/1979EP0005386A1 Inductance with a ferrite pot core and method to adjust the reluctance of the core
11/14/1979EP0005183A1 Semiconductive field-effect transistor used as a field sensor, in particular as a magnetic field sensor
09/1979
09/25/1979US4168991 Method for making a deep diode magnetoresistor
09/25/1979CA1063207A1 Magnetic field sensing apparatus
08/1979
08/21/1979CA1061011A1 High carrier velocity magnetic sensor
08/07/1979US4163986 Twin channel Lorentz coupled depletion width modulation effect magnetic field sensor
05/1979
05/29/1979US4156820 Miniature contactless switching unit
04/1979
04/24/1979US4151574 Magnetic head using a magnetic field-sensitive element and method of manufacturing same
04/10/1979CA1052457A1 Sensing circuit with four terminal semi-conductor device
03/1979
03/21/1979EP0001160A2 Planar PNPN semiconductor device of circular geometry and magnetic field sensor using such a device
02/1979
02/20/1979US4141026 Hall effect generator
02/07/1979EP0000638A1 Devices including epitaxial layers of dissimilar crystalline materials
02/06/1979CA1048125A1 Sensing circuit with a four terminal insulated gate semi-conductor device
01/1979
01/23/1979US4136350 Garnet layer, iii-v semiconductor layer
01/10/1979EP0000318A1 Semiconductor field-effect sensor for an electric or magnetic field
01/02/1979US4132970 Potentiometer
12/1978
12/12/1978US4129880 Channel depletion boundary modulation magnetic field sensor
12/05/1978US4128681 Indium-antimony
11/1978
11/14/1978US4125821 Potentiometer providing a non-linear output
10/1978
10/31/1978US4123772 Multisegment Hall element for offset voltage compensation
10/10/1978CA1040268A1 Magnetic field sensing apparatus
08/1978
08/22/1978CA1037138A1 Contactless linear rotary potentiometer
07/1978
07/25/1978US4103315 Antiferromagnetic-ferromagnetic exchange bias films
05/1978
05/09/1978US4088977 Contactless linear position sensor
05/09/1978US4088946 Magnetic bridge transducer formed with permanent magnets and a hall effect sensor for identifying the presence and location of ferromagnetic discontinuities within or on a tubular specimen
03/1978
03/21/1978US4080478 Method for producing an InSb thin film
03/14/1978US4079360 Magnetic field sensing apparatus
12/1977
12/27/1977US4065742 Composite semiconductor structures
12/06/1977US4061988 Hall effect linear motion switch
10/1977
10/18/1977US4054861 Pulsing type hall effect rotary switch
10/18/1977US4054860 Hall effect rotary switch
10/04/1977US4052748 Magnetoresistive magnetic head
09/1977
09/13/1977US4048670 Stress-free hall-cell package
09/13/1977US4048648 High carrier velocity fet magnetic sensor
07/1977
07/19/1977US4036723 RF bias sputtering method for producing insulating films free of surface irregularities
06/1977
06/28/1977US4032953 Sensing circuits
06/07/1977US4028718 Semiconductor Hall element
05/1977
05/24/1977US4025941 N-type silicon
05/03/1977US4021767 Hall element and method of manufacturing same
05/03/1977US4021728 Magnetic field sensing apparatus for sensing the proximity of a member having high magnetic permeability without requiring an external field source
03/1977
03/22/1977US4013803 Magnetism
03/08/1977US4011469 Hall effect-switching device
03/01/1977US4010486 Sensing circuits
12/1976
12/14/1976US3997909 High carrier velocity magnetic sensor
11/1976
11/23/1976US3994010 Hall effect elements
10/1976
10/26/1976US3988710 Contactless linear rotary potentiometer
08/1976
08/03/1976US3973182 Method and apparatus for detecting uneven magnetic field by hall effect in semiconductor
07/1976
07/20/1976US3970922 Hall-voltage device
07/13/1976US3969644 Pulse generator with asymmetrical multi-pole magnet
04/1976
04/06/1976US3949346 Magnetoresistive element
04/06/1976US3949345 Multiple magnetoresistance element
03/1976
03/16/1976US3945038 Read-write magnetoresistive transducer having a plurality of MR elements
03/09/1976US3943481 Galvano-magnetic effect device